The 1940 Differential represents a student perspective on the events and personalities of the 1938-1939 academic year. The yearbook includes informati Show moreThe 1940 Differential represents a student perspective on the events and personalities of the 1938-1939 academic year. The yearbook includes information about and images of individual students, members of student clubs and organizations, athletics, performances, the campus, faculty, and major events of Case Institute of Technology ; color image of printed multi-page document. Show less